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| -rw-r--r-- | ext/standard/tests/math/mt_rand_value.phpt | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/ext/standard/tests/math/mt_rand_value.phpt b/ext/standard/tests/math/mt_rand_value.phpt new file mode 100644 index 0000000000..772305ad63 --- /dev/null +++ b/ext/standard/tests/math/mt_rand_value.phpt @@ -0,0 +1,44 @@ +--TEST-- +Test mt_rand() output +--FILE-- +<?php + +mt_srand(12345678); + +for ($i=0; $i<16; $i++) { + echo mt_rand().PHP_EOL; +} +echo PHP_EOL; + +$x = 0; +for ($i=0; $i<1024; $i++) { + $x ^= mt_rand(); +} +echo $x.PHP_EOL; + +/* + * Note that the output will be different from the original mt19937ar.c, + * because PHP's implementation contains a bug. Thus, this test actually + * checks to make sure that PHP's behaviour is wrong, but consistently so. + */ + +?> +--EXPECTF-- +1614640687 +1711027313 +857485497 +688176834 +1386682158 +412773096 +813703253 +898651287 +2087374214 +1382556330 +1640700129 +1863374167 +1324097651 +1923803667 +676334965 +853386222 + +1571178311 |